COVID-19(70) COVID-19 pandemic(58) Health(53) Research(52) pandemic(39) approach(32) Result(31) public health(31) implementation(25) National(25) Evidence(25) country(24) Critical(23) Care(22) health system(21) identify(21) knowledge(19) management(18) coronavirus disease(18) International(18) Community(18) platform(17) resource(17) healthcare(17) approach(17) supplementary material(16) effective(16) Intervention(16) conducted(15) resources(15)